Answer:
x=4
Step-by-step explanation:
The answer is 623/800 and that is in simplest form.
9 x 9 = 81
81 - 21 = 60
60 / -6
10
The answer is D. To solve 3/5 ÷ 4/7 you would change it to 3/5 × 7/4.
2n - 7 = 5n -10
-5n -5n
-3n - 7= -10
+7 +7
-3n = -3
-3/-3 -3/-3
n= 1
